+/////////////////////////////////////////////////////////////////////////////
+// Name: src/generic/hyperlinkg.cpp
+// Purpose: Hyperlink control
+// Author: David Norris <danorris@gmail.com>, Otto Wyss
+// Modified by: Ryan Norton, Francesco Montorsi
+// Created: 04/02/2005
+// RCS-ID: $Id$
+// Copyright: (c) 2005 David Norris
+// Licence: wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+// ============================================================================
+// declarations
+// ============================================================================
+
+//---------------------------------------------------------------------------
+// Pre-compiled header stuff
+//---------------------------------------------------------------------------
+
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+#ifdef __BORLANDC__
+ #pragma hdrstop
+#endif
+
+#if wxUSE_HYPERLINKCTRL
+
+//---------------------------------------------------------------------------
+// Includes
+//---------------------------------------------------------------------------
+
+#include "wx/hyperlink.h"
+
+#ifndef WX_PRECOMP
+ #include "wx/utils.h" // for wxLaunchDefaultBrowser
+ #include "wx/dcclient.h"
+ #include "wx/menu.h"
+ #include "wx/log.h"
+ #include "wx/dataobj.h"
+#endif
+
+#include "wx/clipbrd.h"
+
+// ============================================================================
+// implementation
+// ============================================================================
+
+IMPLEMENT_DYNAMIC_CLASS(wxGenericHyperlinkCtrl, wxControl)
+
+// reserved for internal use only
+#define wxHYPERLINK_POPUP_COPY_ID 16384
+
+// ----------------------------------------------------------------------------
+// wxGenericHyperlinkCtrl
+// ----------------------------------------------------------------------------
+
+bool wxGenericHyperlinkCtrl::Create(wxWindow *parent, wxWindowID id,
+ const wxString& label, const wxString& url, const wxPoint& pos,
+ const wxSize& size, long style, const wxString& name)
+{
+ // do validation checks:
+ CheckParams(label, url, style);
+
+ if (!wxControl::Create(parent, id, pos, size, style, wxDefaultValidator, name))
+ return false;
+
+ // set to non empty strings both the url and the label
+ SetURL(url.empty() ? label : url);
+ SetLabel(label.empty() ? url : label);
+
+ m_rollover = false;
+ m_clicking = false;
+ m_visited = false;
+
+ // colours
+ m_normalColour = *wxBLUE;
+ m_hoverColour = *wxRED;
+ SetForegroundColour(m_normalColour);
+
+ // by default the font of an hyperlink control is underlined
+ wxFont f = GetFont();
+ f.SetUnderlined(true);
+ SetFont(f);
+
+ SetInitialSize(size);
+
+
+ // connect our event handlers:
+ // NOTE: since this class is the base class of the GTK+'s native implementation
+ // of wxHyperlinkCtrl, we cannot use the static macros in BEGIN/END_EVENT_TABLE
+ // blocks, otherwise the GTK+'s native impl of wxHyperlinkCtrl would not
+ // behave correctly (as we intercept events doing things which interfere
+ // with GTK+'s native handling):
+
+ Connect( wxEVT_PAINT, wxPaintEventHandler(wxGenericHyperlinkCtrl::OnPaint) );
+ Connect( wxEVT_SIZE, wxSizeEventHandler(wxGenericHyperlinkCtrl::OnSize) );
+ Connect( wxEVT_LEAVE_WINDOW, wxMouseEventHandler(wxGenericHyperlinkCtrl::OnLeaveWindow) );
+
+ Connect( wxEVT_LEFT_DOWN, wxMouseEventHandler(wxGenericHyperlinkCtrl::OnLeftDown) );
+ Connect( wxEVT_LEFT_UP, wxMouseEventHandler(wxGenericHyperlinkCtrl::OnLeftUp) );
+ Connect( wxEVT_RIGHT_UP, wxMouseEventHandler(wxGenericHyperlinkCtrl::OnRightUp) );
+ Connect( wxEVT_MOTION, wxMouseEventHandler(wxGenericHyperlinkCtrl::OnMotion) );
+
+ Connect( wxHYPERLINK_POPUP_COPY_ID, wxEVT_COMMAND_MENU_SELECTED,
+ wxCommandEventHandler(wxGenericHyperlinkCtrl::OnPopUpCopy) );
+
+ return true;
+}
+
+wxSize wxGenericHyperlinkCtrl::DoGetBestSize() const
+{
+ int w, h;
+
+ wxClientDC dc((wxWindow *)this);
+ dc.SetFont(GetFont());
+ dc.GetTextExtent(GetLabel(), &w, &h);
+
+ wxSize best(w, h);
+ CacheBestSize(best);
+ return best;
+}
+
+
+void wxGenericHyperlinkCtrl::SetNormalColour(const wxColour &colour)
+{
+ m_normalColour = colour;
+ if (!m_visited)
+ {
+ SetForegroundColour(m_normalColour);
+ Refresh();
+ }
+}
+
+void wxGenericHyperlinkCtrl::SetVisitedColour(const wxColour &colour)
+{
+ m_visitedColour = colour;
+ if (m_visited)
+ {
+ SetForegroundColour(m_visitedColour);
+ Refresh();
+ }
+}
+
+void wxGenericHyperlinkCtrl::DoContextMenu(const wxPoint &pos)
+{
+ wxMenu *menuPopUp = new wxMenu(wxEmptyString, wxMENU_TEAROFF);
+ menuPopUp->Append(wxHYPERLINK_POPUP_COPY_ID, wxT("Copy URL"));
+ PopupMenu( menuPopUp, pos );
+ delete menuPopUp;
+}
+
+wxRect wxGenericHyperlinkCtrl::GetLabelRect() const
+{
+ // our best size is always the size of the label without borders
+ wxSize c(GetClientSize()), b(GetBestSize());
+ wxPoint offset;
+
+ // the label is always centered vertically
+ offset.y = (c.GetHeight()-b.GetHeight())/2;
+
+ if (HasFlag(wxHL_ALIGN_CENTRE))
+ offset.x = (c.GetWidth()-b.GetWidth())/2;
+ else if (HasFlag(wxHL_ALIGN_RIGHT))
+ offset.x = c.GetWidth()-b.GetWidth();
+ else if (HasFlag(wxHL_ALIGN_LEFT))
+ offset.x = 0;
+ return wxRect(offset, b);
+}
+
+
+
+// ----------------------------------------------------------------------------
+// wxGenericHyperlinkCtrl - event handlers
+// ----------------------------------------------------------------------------
+
+void wxGenericHyperlinkCtrl::OnPaint(wxPaintEvent& WXUNUSED(event))
+{
+ wxPaintDC dc(this);
+ dc.SetFont(GetFont());
+ dc.SetTextForeground(GetForegroundColour());
+ dc.SetTextBackground(GetBackgroundColour());
+
+ dc.DrawText(GetLabel(), GetLabelRect().GetTopLeft());
+}
+
+void wxGenericHyperlinkCtrl::OnLeftDown(wxMouseEvent& event)
+{
+ // the left click must start from the hyperlink rect
+ m_clicking = GetLabelRect().Contains(event.GetPosition());
+}
+
+void wxGenericHyperlinkCtrl::OnLeftUp(wxMouseEvent& event)
+{
+ // the click must be started and ended in the hyperlink rect
+ if (!m_clicking || !GetLabelRect().Contains(event.GetPosition()))
+ return;
+
+ SetForegroundColour(m_visitedColour);
+ m_visited = true;
+ m_clicking = false;
+
+ // send the event
+ SendEvent();
+}
+
+void wxGenericHyperlinkCtrl::OnRightUp(wxMouseEvent& event)
+{
+ if( GetWindowStyle() & wxHL_CONTEXTMENU )
+ if ( GetLabelRect().Contains(event.GetPosition()) )
+ DoContextMenu(wxPoint(event.m_x, event.m_y));
+}
+
+void wxGenericHyperlinkCtrl::OnMotion(wxMouseEvent& event)
+{
+ wxRect textrc = GetLabelRect();
+
+ if (textrc.Contains(event.GetPosition()))
+ {
+ SetCursor(wxCursor(wxCURSOR_HAND));
+ SetForegroundColour(m_hoverColour);
+ m_rollover = true;
+ Refresh();
+ }
+ else if (m_rollover)
+ {
+ SetCursor(*wxSTANDARD_CURSOR);
+ SetForegroundColour(!m_visited ? m_normalColour : m_visitedColour);
+ m_rollover = false;
+ Refresh();
+ }
+}
+
+void wxGenericHyperlinkCtrl::OnLeaveWindow(wxMouseEvent& WXUNUSED(event) )
+{
+ // NB: when the label rect and the client size rect have the same
+ // height this function is indispensable to remove the "rollover"
+ // effect as the OnMotion() event handler could not be called
+ // in that case moving the mouse out of the label vertically...
+
+ if (m_rollover)
+ {
+ SetCursor(*wxSTANDARD_CURSOR);
+ SetForegroundColour(!m_visited ? m_normalColour : m_visitedColour);
+ m_rollover = false;
+ Refresh();
+ }
+}
+
+void wxGenericHyperlinkCtrl::OnPopUpCopy( wxCommandEvent& WXUNUSED(event) )
+{
+#if wxUSE_CLIPBOARD
+ if (!wxTheClipboard->Open())
+ return;
+
+ wxTextDataObject *data = new wxTextDataObject( m_url );
+ wxTheClipboard->SetData( data );
+ wxTheClipboard->Close();
+#endif // wxUSE_CLIPBOARD
+}
+
+void wxGenericHyperlinkCtrl::OnSize(wxSizeEvent& WXUNUSED(event))
+{
+ // update the position of the label in the screen respecting
+ // the selected align flag
+ Refresh();
+}
+
+#endif // wxUSE_HYPERLINKCTRL
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